From: Roman Gushchin <guro@fb.com>
To: <bpf@vger.kernel.org>
Cc: <ast@kernel.org>, <daniel@iogearbox.net>,
<netdev@vger.kernel.org>, <andrii@kernel.org>,
<akpm@linux-foundation.org>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>, <kernel-team@fb.com>
Subject: [PATCH bpf-next v7 12/34] bpf: refine memcg-based memory accounting for hashtab maps
Date: Thu, 19 Nov 2020 09:37:32 -0800 [thread overview]
Message-ID: <20201119173754.4125257-13-guro@fb.com> (raw)
In-Reply-To: <20201119173754.4125257-1-guro@fb.com>
Include percpu objects and the size of map metadata into the
accounting.
Signed-off-by: Roman Gushchin <guro@fb.com>
---
kernel/bpf/hashtab.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index ec46266aaf1c..2b8bbdbec872 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -292,7 +292,8 @@ static int prealloc_init(struct bpf_htab *htab)
u32 size = round_up(htab->map.value_size, 8);
void __percpu *pptr;
- pptr = __alloc_percpu_gfp(size, 8, GFP_USER | __GFP_NOWARN);
+ pptr = __alloc_percpu_gfp(size, 8, GFP_USER | __GFP_NOWARN |
+ __GFP_ACCOUNT);
if (!pptr)
goto free_elems;
htab_elem_set_ptr(get_htab_elem(htab, i), htab->map.key_size,
@@ -347,7 +348,7 @@ static int alloc_extra_elems(struct bpf_htab *htab)
int cpu;
pptr = __alloc_percpu_gfp(sizeof(struct htab_elem *), 8,
- GFP_USER | __GFP_NOWARN);
+ GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT);
if (!pptr)
return -ENOMEM;
@@ -444,7 +445,7 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr)
int err, i;
u64 cost;
- htab = kzalloc(sizeof(*htab), GFP_USER);
+ htab = kzalloc(sizeof(*htab), GFP_USER | __GFP_ACCOUNT);
if (!htab)
return ERR_PTR(-ENOMEM);
@@ -892,6 +893,7 @@ static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key,
bool percpu, bool onallcpus,
struct htab_elem *old_elem)
{
+ const gfp_t gfp = GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT;
u32 size = htab->map.value_size;
bool prealloc = htab_is_prealloc(htab);
struct htab_elem *l_new, **pl_new;
@@ -925,8 +927,8 @@ static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key,
l_new = ERR_PTR(-E2BIG);
goto dec_count;
}
- l_new = kmalloc_node(htab->elem_size, GFP_ATOMIC | __GFP_NOWARN,
- htab->map.numa_node);
+ l_new = bpf_map_kmalloc_node(&htab->map, htab->elem_size, gfp,
+ htab->map.numa_node);
if (!l_new) {
l_new = ERR_PTR(-ENOMEM);
goto dec_count;
@@ -942,8 +944,7 @@ static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key,
pptr = htab_elem_get_ptr(l_new, key_size);
} else {
/* alloc_percpu zero-fills */
- pptr = __alloc_percpu_gfp(size, 8,
- GFP_ATOMIC | __GFP_NOWARN);
+ pptr = bpf_map_alloc_percpu(&htab->map, size, 8, gfp);
if (!pptr) {
kfree(l_new);
l_new = ERR_PTR(-ENOMEM);
--
2.26.2
next prev parent reply other threads:[~2020-11-19 17:38 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 17:37 [PATCH bpf-next v7 00/34] bpf: switch to memcg-based memory accounting Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 01/34] mm: memcontrol: use helpers to read page's memcg data Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 02/34] mm: memcontrol/slab: use helpers to access slab page's memcg_data Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 03/34] mm: introduce page memcg flags Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 04/34] mm: convert page kmemcg type to a page memcg flag Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 05/34] bpf: memcg-based memory accounting for bpf progs Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 06/34] bpf: prepare for memcg-based memory accounting for bpf maps Roman Gushchin
2020-11-20 1:05 ` Song Liu
2020-11-19 17:37 ` [PATCH bpf-next v7 07/34] bpf: " Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 08/34] bpf: refine memcg-based memory accounting for arraymap maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 09/34] bpf: refine memcg-based memory accounting for cpumap maps Roman Gushchin
2020-11-20 1:33 ` Song Liu
2020-11-19 17:37 ` [PATCH bpf-next v7 10/34] bpf: memcg-based memory accounting for cgroup storage maps Roman Gushchin
2020-11-20 1:37 ` Song Liu
2020-11-19 17:37 ` [PATCH bpf-next v7 11/34] bpf: refine memcg-based memory accounting for devmap maps Roman Gushchin
2020-11-20 1:38 ` Song Liu
2020-11-19 17:37 ` Roman Gushchin [this message]
2020-11-20 1:39 ` [PATCH bpf-next v7 12/34] bpf: refine memcg-based memory accounting for hashtab maps Song Liu
2020-11-19 17:37 ` [PATCH bpf-next v7 13/34] bpf: memcg-based memory accounting for lpm_trie maps Roman Gushchin
2020-11-20 1:39 ` Song Liu
2020-11-19 17:37 ` [PATCH bpf-next v7 14/34] bpf: memcg-based memory accounting for bpf ringbuffer Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 15/34] bpf: memcg-based memory accounting for bpf local storage maps Roman Gushchin
2020-11-20 1:44 ` Song Liu
2020-11-19 17:37 ` [PATCH bpf-next v7 16/34] bpf: refine memcg-based memory accounting for sockmap and sockhash maps Roman Gushchin
2020-11-20 1:45 ` Song Liu
2020-11-19 17:37 ` [PATCH bpf-next v7 17/34] bpf: refine memcg-based memory accounting for xskmap maps Roman Gushchin
2020-11-20 1:45 ` Song Liu
2020-11-19 17:37 ` [PATCH bpf-next v7 18/34] bpf: eliminate rlimit-based memory accounting for arraymap maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 19/34] bpf: eliminate rlimit-based memory accounting for bpf_struct_ops maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 20/34] bpf: eliminate rlimit-based memory accounting for cpumap maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 21/34] bpf: eliminate rlimit-based memory accounting for cgroup storage maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 22/34] bpf: eliminate rlimit-based memory accounting for devmap maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 23/34] bpf: eliminate rlimit-based memory accounting for hashtab maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 24/34] bpf: eliminate rlimit-based memory accounting for lpm_trie maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 25/34] bpf: eliminate rlimit-based memory accounting for queue_stack_maps maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 26/34] bpf: eliminate rlimit-based memory accounting for reuseport_array maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 27/34] bpf: eliminate rlimit-based memory accounting for bpf ringbuffer Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 28/34] bpf: eliminate rlimit-based memory accounting for sockmap and sockhash maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 29/34] bpf: eliminate rlimit-based memory accounting for stackmap maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 30/34] bpf: eliminate rlimit-based memory accounting for xskmap maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 31/34] bpf: eliminate rlimit-based memory accounting for bpf local storage maps Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 32/34] bpf: eliminate rlimit-based memory accounting infra for bpf maps Roman Gushchin
2020-11-21 2:52 ` Alexei Starovoitov
2020-11-21 2:59 ` Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 33/34] bpf: eliminate rlimit-based memory accounting for bpf progs Roman Gushchin
2020-11-19 17:37 ` [PATCH bpf-next v7 34/34] bpf: samples: do not touch RLIMIT_MEMLOCK Roman Gushchin
2020-11-23 13:30 ` [PATCH bpf-next v7 00/34] bpf: switch to memcg-based memory accounting Daniel Borkmann
2020-11-24 0:05 ` Roman Gushchin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201119173754.4125257-13-guro@fb.com \
--to=guro@fb.com \
--cc=akpm@linux-foundation.org \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=kernel-team@fb.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).